JPH0326566B2 - - Google Patents

Info

Publication number
JPH0326566B2
JPH0326566B2 JP58188737A JP18873783A JPH0326566B2 JP H0326566 B2 JPH0326566 B2 JP H0326566B2 JP 58188737 A JP58188737 A JP 58188737A JP 18873783 A JP18873783 A JP 18873783A JP H0326566 B2 JPH0326566 B2 JP H0326566B2
Authority
JP
Japan
Prior art keywords
transistor
amplifier
circuit
output
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP58188737A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6080311A (ja
Inventor
Takuzo Kamimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Priority to JP18873783A priority Critical patent/JPS6080311A/ja
Publication of JPS6080311A publication Critical patent/JPS6080311A/ja
Publication of JPH0326566B2 publication Critical patent/JPH0326566B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/34Muting amplifier when no signal is present
    • H03G3/341Muting when no signals or only weak signals are present

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP18873783A 1983-10-09 1983-10-09 増幅回路 Granted JPS6080311A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18873783A JPS6080311A (ja) 1983-10-09 1983-10-09 増幅回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18873783A JPS6080311A (ja) 1983-10-09 1983-10-09 増幅回路

Publications (2)

Publication Number Publication Date
JPS6080311A JPS6080311A (ja) 1985-05-08
JPH0326566B2 true JPH0326566B2 (en]) 1991-04-11

Family

ID=16228887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18873783A Granted JPS6080311A (ja) 1983-10-09 1983-10-09 増幅回路

Country Status (1)

Country Link
JP (1) JPS6080311A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8873774B2 (en) * 2010-07-30 2014-10-28 Hewlett-Packard Development Company, L.P. Audio mixer
US9025793B2 (en) * 2011-06-21 2015-05-05 Rohm Co., Ltd. Audio signal processing circuit
US9407231B2 (en) * 2013-02-06 2016-08-02 Htc Corporation Apparatus and method of multi-sensor sound recording

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5192043U (en]) * 1975-01-22 1976-07-23
JPS5470524U (en]) * 1977-10-28 1979-05-19
JPS55135513U (en]) * 1979-03-17 1980-09-26

Also Published As

Publication number Publication date
JPS6080311A (ja) 1985-05-08

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